Results 131 to 140 of about 1,317 (164)
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Iodine Speciation in Rain and Snow
2007Iodine has been of interest recently due its role in new aerosol formation. However, it is also a vital nutrient for all mammals, and iodine deficiency disorders are though to affect 30% of the global population. Here we show that, in contrast to current models, organo-I is the most abundant species in rain and snow from Australia, New Zealand, Ireland,
B. S. Gilfedder, M. Petri, H. Beister
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Iodine speciation in chesapeake bay waters
Marine Chemistry, 1988Abstract We report on the speciation of iodine in Chesapeake Bay during July 1986. Surface and bottom water samples were taken along the estuary at every 1–2% salinity division. At three locations in the upper bay, samples were taken above, at and below the pycnocline. All samples were analyzed by differential pulse polarography.
George W. Luther, Hugh Cole
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EFFECTS OF OZONATION ON THE SPECIATION OF DISSOLVED IODINE IN ARTIFICIAL SEAWATER
Journal of Zoo and Wildlife Medicine, 2004Iodine in the form of iodide is required for synthesis of tri-iodothyronine and thyroxine in fish. Iodine chemical speciation in aliquots of raw artificial seawater mix was measured before, during, and after exposure for fixed time periods to air only and to concentrations of ozone required to achieve oxidation-reduction potentials typical of a protein
Sherrill, J. +2 more
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Iodine speciation in the Nile River estuary
Marine Chemistry, 1999Abstract During high- and low-flood periods, surface and bottom water samples were collected along the Nile River estuary for the voltammetric determination of dissolved iodine species. Iodine occurs in the estuary as iodate, iodide and organic iodine.
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Iodine Speciation in the Rogoznica Lake
2004Iodine is known to be the most abundant biophilic and redox-sensitive minor element in seawater. In specific marine sub-environments, such as Rogoznica Lake, the processes that affect both speciation and vertical distribution of dissolved iodine are found to be more intensive compared to those occurring in the oceans.
Žic, Vesna, Branica, Marko
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Sorption and speciation of iodine in boreal forest soil
Journal of Radioanalytical and Nuclear Chemistry, 2016The speciation and sorption of iodine was studied on humus and mineral soil samples in the initial chemical forms of iodide and iodate. Iodate was reduced to iodide in significant amounts especially in anaerobic soil conditions and in low pH. An unidentified, possible organo–iodine species was detected in humus samples and in aerobic mineral soil at ...
Söderlund, Mervi +4 more
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IODINE SPECIATION IN MARINE AEROSOL [PDF]
, 2015 Iodine chemistry in the marine aerosol plays important roles in the marine boundary layer such as ozone destruction and new aerosol particle formation. Iodine has a complex chemistry in the gas and aerosol phases and to date, what controls iodine speciation, the interactions and roles of individual iodine species are not well understood.
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Iodine speciation in the water column of the Black Sea
Deep Sea Research Part A. Oceanographic Research Papers, 1991Abstract Iodine speciation was determined on water samples collected from the upper 250 m of the Black Sea during 11–14 June 1988. Iodate, iodide and total iodine were determined by three separate voltammetric methods. In most samples, the sum of iodide plus iodate equalled the total iodine.
George W. Luther, Todd Campbell
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Chemical Speciation of Iodine Source Term to Containment
Nuclear Technology, 2002Iodine species released into a reactor containment building following a loss-of-coolant accident is determined by the relative timing and quantity of iodine and other fission products released from...
Joanna McFarlane +2 more
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